package com.lagou.service;

import com.lagou.entity.TbItem;
import com.baomidou.mybatisplus.extension.service.IService;
import org.apache.ibatis.annotations.Update;

/**
 * <p>
 * 商品表 服务类
 * </p>
 *
 * @author qjc
 * @since 2021-12-21
 */
public interface TbItemService extends IService<TbItem> {

    void decrCountById(Long itemId);

    void incrCountById(Long itemId, Integer count);
}
